Spectrum-controls 1756sc-CTR8 Manual de usuario Pagina 1

CONTROLLOGIX™COUNTER MODULECatalog Number: 1756sc-CTR8Owner’s Guide 0300199-01 Rev. B

x ControlLogix™ Counter ModuleChapter 5Configuring moduleattributes:Configuration, Data,and Status Tags ...

Module OverviewThis chapter describes the counter module and explains how theControlLogix controller reads analog input data from the module. Readthi

2 ControlLogix™ Counter ModuleInput TypesThe 1756-CTR supports both AC and DC input signal types. The moduleinput type is configured on a channel pai

Chapter 1: Module Overview 3System OperationAt power-up, the module checks internal circuits, memory, and basicfunctions. During this time the SYS LE

4 ControlLogix™ Counter Module

Installing And Wiring Your ModuleRead this chapter to install and wire your module. This chapter covers:• avoiding electrostatic damage• determining p

Using your module in the ControlLogix SystemPlace your module in any slot of a ControlLogix modular, or modularexpansion chassis.An analog I/O module

Removal and Insertion Under PowerThese modules are designed to be installed or removed while chassispower is applied.ATTENTION: When you insert or rem

This equipment is classified as open equipment and must be installed(mounted) in an enclosure during operation as a means of providingsafety protectio

2. Key the RTB in positions that correspond to unkeyed modulepositions. Insert the wedge-shaped tab on the RTB with the roundededge first. Push the ta

• If the field wiring must cross ac or power cables, ensure that theycross at right angles.• To limit the pickup of electrical noise, keep signal wire

Important: If noise persists, try grounding the opposite end of the cable,instead (Ground one end only.)Wiring Single-endedInputsThe following figure

Wiring Bi-Directional orQuadrature InputsInput use channel pairs, for example Hi2(A), Com, Hi2(B), Com. Thereis one gate input per channel pair.Hi 3

Operation Within theControlLogix SystemThis chapter describes how the 1756sc-CTR8 analog module workswithin the ControlLogix system. This chapter cove

Chapter 3: Operation within the System 151. Configure all I/O modules for a given controller using RSLogix 5000and download that inform

16 ControlLogix™ Counter ModuleReal Time Sample (RTS)This configurable parameter instructs the module to perform thefollowing operations:1. scan a

Chapter 3: Operation within the System 17The timing of this “reserved” spot may or may not coincide with theexact value of the RPI, but

18 ControlLogix™ Counter ModuleImportant: Only input modules can have multiple owners. If multipleowners are connected to the same input module, t

Chapter 3: Operation within the System 19

Important Notes1. Please read all the information in this owner’s guide before installingthe product.2. The information in this owner's guide app

Programming Your ModuleThis chapter explains how to program your module in the ControlLogixsystem. It also describes how the module’s input configura

Chapter 4: Programming Your Module 21Step 1- Open the sample project with the CTR8 information. Openyour project. Drag and drop the CTR8 module into

22 ControlLogix™ Counter ModuleStep 2- Drag and drop the CTR8 user-defined data types from thesample project into your project.There are three CTR8 u

Chapter 4: Programming Your Module 23Step 3- Drag and drop the controller configuration tags from thesample project into your project.1. Right click

24 ControlLogix™ Counter ModuleStep 4- Create a new ladder logic routine in your project.1. In your project, right mouse click on the MainRoutine ite

Chapter 4: Programming Your Module 25Configuring moduleattributes:Configuration TagsThe module has settings that are global and channel specific. The

26 ControlLogix™ Counter ModuleData TagsThese tags represent the process data values in their final form.Status TagsThese tags report module status su

Chapter 4: Programming Your Module 27

28 ControlLogix™ Counter ModuleConfiguration, Data,and Status TagsRead this chapter to:• send configuration data to the module• configure global modul

Chapter 5: Channel Configuration, Data, and Status 29Configuration TagsThe following Global Module Settings and Channel Specific Settingssections allo

30 ControlLogix™ Counter ModuleUni-DirectionalWith this configuration, the input increments in an upward direction. All 8channels may be configured i

Chapter 5: Channel Configuration, Data, and Status 31BForward Rotation Reverse RotationAInput AInput BQuadratureEncoderBAx1 Countx4 Count1232101 2 3

32 ControlLogix™ Counter ModuleStorageMode = 2 - Store/Wait/Resume StorageMode = 3 - Store-Reset/Wait/StartStorageMode = 4 - Store-Reset/StartInputRan

Chapter 5: Channel Configuration, Data, and Status 33The M factor value expressed as a floating point number. This value ismultiplied by the counter

34 ControlLogix™ Counter ModuleOutput TagsDisable[x] 0,1 BOOLEnable the counter for channel [x].0=enable1=disableResetCounter[x] 0,1 BOOLResets counte

Chapter 5: Channel Configuration, Data, and Status 35StoredValue[x] 0-16777215 FLOATDisplays the value of the stored stored counts register. The maxi

36 ControlLogix™ Counter ModuleCST DINTCoordinated System Time. This is the time that the processor reads datafrom the FPGA. It is not the actual ti

Chapter 5: Channel Configuration, Data, and Status 37

38 ControlLogix™ Counter ModuleProgramming ExamplesEarlier chapters explained how the tag configuration defines the way themodule operates. This chap

Chapter 6: Ladder Program Examples 39Figure 5.1 Sample Ladder LogicRung 0 - This rung copies the configuration data (CTR8_Config) into themodule’s con

PrefaceRead this preface to familiarize yourself with the rest of the owner’sguide. This preface covers:• who should use this guide• what this guide c

40 ControlLogix™ Counter ModuleYou may use either the SetAttributeAll to accomplish this.Set Attribute All message:

Chapter 6: Ladder Program Examples 41Using the gatestorage modeThe gate storage mode allows you to configure the external gate to reactin several ways

42 ControlLogix™ Counter ModuleStorageMode = 2 - Store/Wait/ResumeThis mode may be used in a situation were accumulated count isimportant but the proc

Chapter 6: Ladder Program Examples 43InstallationRecommendationsHigh Impedance InputsIf the input device is an open collector type if may be necessary

44 ControlLogix™ Counter ModuleMeter ProvingThe 1756sc-CTR8 module provides a feature that allows the user toperform meter proving functions. A typic

Chapter 6: Ladder Program Examples 45

TroubleshootingUsing ModuleIndicators toTroubleshootThe count module has indicators which provide indication of modulestatus. ControlLogix modules use

Chapter 7: Testing Your Module 47The following LED display is used with ControlLogix analog inputmodules:Using RSLogix 5000to TroubleshootYour ModuleI

48 ControlLogix™ Counter ModuleFault information on the properties screen.Determining Fault TypeWhen you are monitoring a module’s properties dialog i

Chapter 7: Testing Your Module 49Channel Specific ErrorsNote: n = channel number (0-7)0x010(n) Preset is defined larger than rollover limit for channe

vi ControlLogix™ Counter Module1756 Series ControlLogix Module Installation Instructions(Each module has separate document for installation) 1756-5.5,

50 ControlLogix™ Counter ModuleMaintaining Your ModuleAnd Ensuring SafetyRead this chapter to familiarize yourself with:• preventive maintenance• safe

Chapter 8: Maintaining Your Module And Ensuring Safety 51Standing Clear Of Machinery – When troubleshooting a problem withany ControlLogix system, hav

52 ControlLogix™ Counter ModuleWARNINGEXPLOSION HAZARDWHEN IN HAZARDOUS LOCATIONS, TURN OFFPOWER BEFORE REPLACING OR WIRING MODULES.WARNINGTHIS DEVICE

Chapter 8: Maintaining Your Module And Ensuring Safety 53

Module SpecificationsThis appendix lists the specifications for the 1756sc-CTR8 CounterModule.ElectricalSpecificationsBackplane Current Consumption 23

Appendix A: Module Specifications 55EnvironmentalSpecificationsOperating Temperature 0°C to 60°C (32°F to 140°F)Storage Temperature -40°C to 85°C (-40

56 ControlLogix™ Counter ModuleAccuracyAccuracyAccuracyAccuracyAccuracyFrequency Mode 1Hz Accuracy 65kHz Accuracy max typ maxInstant* +/-0.00Hz +/-

Appendix A: Module Specifications 57

Programming Your ModuleThis chapter explains how program your module in the ControlLogixsystem. It also describes how to the module’s input configura

Appendix B: Installing the module using a Generic Module profile 591. Open your project and go to the “Add I/O module” menu undercontroller configurat

Preface viiDC - Direct Current - This is typically associated with a DC square-wave pulse signal from a flowmeter.dB (decibel) – A logarithmic measure

60 ControlLogix™ Counter ModuleOwner Controller Connection (Controller provides configuration)Listen-only controller connection. (Controller does not

Appendix B: Installing the module using a Generic Module profile 614. Specify an RPI interval between 10.0 and 750.0 ms:

62 ControlLogix™ Counter Module

Getting TechnicalAssistanceIf you need technical assistance, please review the information inChapter 6, “Testing Your Module,” before calling your loc

©2003 Spectrum Controls, Inc. All rights reserved. Specifications subject to change without notice.The Encompass logo and ControlLogix are trademarks

viii ControlLogix™ Counter Module

Table of Contents ixTable of ContentsPreface vWho Should Use This Guide ....................